Dermal filler treatment is a medical aesthetic procedure in which biocompatible gel materials are injected beneath the skin to restore facial volume loss caused by aging, gravity, and environmental factors, to soften deepening wrinkles, and to reshape facial contours without surgery. Performed with reliable ingredients such as hyaluronic acid, calcium hydroxyapatite, or poly-L-lactic acid, this procedure not only replaces missing volume but also biologically stimulates the tissue, triggers collagen production, increases the skin’s moisture-holding capacity, and delivers a fresher, smoother appearance while preserving the face’s natural anatomical architecture.

Prof. Dr. Serdar Nasır
Specialist in Plastic, Reconstructive and Aesthetic Surgery, Hand Surgery

He completed his medical education at Ankara University Faculty of Medicine in 1996 and his specialty training between 1996–2002 at Hacettepe University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery.

Between 2002–2009, he worked at Süleyman Demirel University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery.

Since 2009, he has been working at Hacettepe University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery. He received the title of Associate Professor in 2011. In 2019, Dr. Nasır became a Professor and continues to work as a faculty member in this position.

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What Is a Dermal Filler Treatment?

Dermal filler treatment is a medical aesthetic procedure designed to correct volume loss, reduce wrinkles, and enhance facial contours by injecting biocompatible substances (most commonly hyaluronic acid) under the skin. It is frequently used in areas such as the lips, cheeks, chin, and nasolabial folds. The procedure is minimally invasive and typically completed in a short time. The appropriate filler type and amount should be planned by a qualified physician based on the individual’s anatomy and expectations.

Which Filler Materials Are Used, and Are They Compatible with the Body?

The materials we use are among the safest and most tissue-compatible options modern biotechnology provides. They are not perceived as foreign bodies by your system and are gradually metabolized through natural pathways. In clinical practice, we commonly rely on a few main categories with well-established safety profiles:

These materials generally include:

  • Hyaluronic Acid
  • Calcium Hydroxyapatite
  • Poly-L-Lactic Acid

Among these, hyaluronic acid is the most widely used. It is a sugar-derived molecule that naturally exists in your skin, joints, and eye fluid. Its key feature is its capacity to retain up to 1,000 times its weight in water. This means it not only adds volume but also provides intense hydration support to the skin. Its safety profile is so strong that if you are unhappy with the result—or if a rare issue occurs—it can be dissolved within minutes using a specific enzyme. The other categories stand out more for their “biostimulatory” effects, meaning they stimulate the tissue and provide longer-term structural support.

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Which Areas of the Face Can Be Treated with Dermal Fillers?

When we evaluate the face as a whole, we can address almost every anatomical unit. However, each area has different needs, and the filler’s characteristics must be matched accordingly. For instance, for the under-eye region where the skin is very thin, we use a more fluid filler, while for the chin tip—where we aim to mimic bone support—we choose a firmer filler with higher lifting capacity.

In our practice, the most commonly treated areas include:

  • Cheekbones
  • Tear trough (under-eye hollows)
  • Temples
  • Nasolabial folds
  • Lips
  • Jawline
  • Chin
  • Marionette lines
  • Nasal bridge

The midface (cheek and cheekbone line) is often like the “main support pole” of the face. Proper support here can elevate the overall facial structure, soften heaviness around the nose, and reduce under-eye fatigue. Jawline treatments have also become very popular recently—creating a sharper jawline can make the face look younger, more dynamic, and slimmer.

What Do We Mean by “Smart Fillers” or Biostimulation?

While classic fillers deliver immediate volume and show results instantly, biostimulatory fillers (often referred to as “smart fillers”) work with a different strategy. When placed beneath the skin, the goal is not merely to fill a space. These products stimulate fibroblasts—your skin’s “worker cells.”

As a result of this stimulation, your body increases production of:

  • Type I collagen
  • Elastin fibers
  • New microvascular formation

In essence, we give the skin a “construction order.” Even if the filler gradually dissolves over time, the newly produced, tighter tissue remains. This approach is especially valuable for patients with thinning, crepey skin and reduced elasticity, as it improves not only volume but also overall skin quality (such as firmness and radiance).

How Is a “Liquid Facelift” Related to Dermal Fillers?

A “Liquid Facelift” is a holistic approach that addresses the entire face rather than focusing on a single wrinkle. We often use it for patients who are not ready for—or do not want—surgical facelift procedures. By combining dermal fillers with other treatments such as Botox, we can achieve a form of “non-surgical rejuvenation.”

The key issues typically addressed include:

  • Sagging cheeks
  • Lowered brows
  • Loss of jawline definition
  • Deepening facial shadows
  • Downturned mouth corners

We essentially redirect “negative vectors” (downward pull) into “positive vectors” (lifting direction). This does not require general anesthesia, recovery is short, and results are visible immediately. When planned correctly, it can be an effective protocol that may take the appearance back by 5 to 10 years.

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    Is Fat Grafting More Logical, or Ready-Made Fillers?

    This is one of the most common dilemmas patients face. Both methods add volume, but their philosophy and process differ. Ready-made fillers (such as hyaluronic acid) are practical office-based procedures that can be done quickly with little preparation. However, their longevity is limited and they require repeat sessions.

    Fat grafting, by contrast, is a form of “tissue transfer.” We harvest fat from your own body (often the abdomen or hips), process it with specialized techniques, and transfer it to the face. This is typically performed in an operating room setting or under sedation.

    Advantages of fat grafting include:

    • Potential long-term permanence
    • Stem cell content
    • Tissue regeneration support
    • Ability to restore larger volumes
    • No allergy risk

    Although some of the transferred fat may be reabsorbed in the first months, the cells that survive become a lasting part of your facial tissue. If you have significant volume loss and want a more durable solution, fat grafting may be the better option. If you want subtle refinements, lip shaping, or maximum practicality, ready-made fillers may be the more appropriate choice. In many cases, the best results come from combining both methods.

    Who Is Legally Allowed to Perform Dermal Filler Treatments?

    This is one of the most critical points for public health. Under Turkish regulations, any injection-based procedure that disrupts the integrity of the skin (fillers, Botox, mesotherapy, etc.) may only be performed by medical doctors. These procedures require strong knowledge of facial anatomy—including vessels and nerves—so they fall within the expertise of Plastic, Reconstructive and Aesthetic Surgeons and Dermatologists.

    Unfortunately, we still hear about these procedures being done in hair salons, beauty centers, or at home. This is illegal and falls under “unauthorized medical practice.” In such “under-the-table” settings, product content may be unclear, sterilization is often inadequate, and the provider may lack anatomical knowledge—creating serious risks. To protect your face and your health, always choose licensed medical facilities and qualified specialist physicians.

    What Are the Potential Risks of Dermal Filler Treatments?

    As with any medical procedure, dermal fillers carry certain risks. In experienced hands, these risks are minimal, but patients should be aware of them. The most common issues are usually temporary and manageable with simple measures.

    Common minor side effects include:

    • Mild swelling
    • Bruising
    • Redness
    • Tenderness
    • Temporary asymmetry

    More rarely, there is a serious complication known as “vascular occlusion,” where the filler accidentally enters a vessel or compresses it enough to block blood flow. This is where expertise matters most. A plastic surgeon has the anatomical knowledge to minimize this risk and the capability to intervene immediately—such as using hyaluronidase to dissolve hyaluronic-acid fillers. In safe hands, these complications are manageable.

    What Should You Pay Attention to After the Procedure, and What Is Aftercare Like?

    Success depends not only on the physician’s technique but also on following aftercare rules. The filler needs time to integrate with the tissue and for swelling to subside. The instructions we give are simple, but they should be followed carefully.

    Key points to be mindful of include:

    • Water contact
    • Makeup application
    • Excessive heat exposure
    • Intense physical exercise
    • Facial massage
    • Alcohol consumption
    • Blood thinners
    • Dental treatments

    In particular, avoiding water contact and makeup for the first 4 hours helps reduce infection risk. Avoiding extreme heat (hamam, sauna, etc.) for the first few days helps prevent increased swelling. Unless your physician specifically recommends it, you should not massage the treated area firmly, as this may cause the filler to shift.